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The Amblyopia Treatment Index
1Department of Epidemiology, Johns Hopkins School of Public Health, Baltimore, Maryland, USA.
Summary
A new questionnaire, the Amblyopia Treatment Index, effectively assesses how amblyopia treatment affects children and families, measuring adverse effects, compliance, and social stigma.
Area of Science:
- Ophthalmology
- Pediatric Medicine
- Psychometrics
Background:
- Amblyopia, or 'lazy eye,' significantly impacts young children's vision.
- Assessing the patient and family's experience with amblyopia treatment is crucial for adherence and outcomes.
Purpose of the Study:
- To develop and validate a questionnaire measuring the acceptability of amblyopia treatment.
- To evaluate the treatment's effect on the child and family's well-being.
Main Methods:
- A 20-item parental survey, the Amblyopia Treatment Index, was pilot-tested on 64 children (aged 3-6 years) undergoing amblyopia treatment.
- Descriptive item analysis and internal consistency reliability analysis were performed after 4 weeks of treatment.
Main Results:
- The survey demonstrated high response rates and item variability.
- Factor analysis identified three key domains: adverse effects, compliance, and social stigma.
- Reliability analyses showed strong internal consistency for subscales (alpha range 0.81-0.84).
Conclusions:
- The Amblyopia Treatment Index is a reliable and valid instrument for assessing amblyopia treatment acceptability.
- This tool can inform clinical practice and future research on pediatric amblyopia management.